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All results from a given calculation for C3H8O2 (1,3-Propanediol)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-266.999080
Energy at 298.15K-267.009285
Nuclear repulsion energy193.263882
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3543 3359 4.68      
2 A 3451 3272 137.04      
3 A 3162 2997 20.84      
4 A 3133 2970 50.15      
5 A 3103 2942 43.36      
6 A 3094 2933 20.74      
7 A 3053 2894 39.07      
8 A 3007 2851 71.68      
9 A 1627 1542 3.55      
10 A 1614 1530 0.23      
11 A 1562 1481 10.16      
12 A 1538 1458 100.83      
13 A 1484 1407 10.11      
14 A 1454 1378 3.51      
15 A 1435 1361 1.48      
16 A 1350 1280 18.81      
17 A 1317 1249 3.02      
18 A 1251 1186 28.64      
19 A 1236 1171 27.43      
20 A 1164 1104 20.32      
21 A 1065 1010 63.30      
22 A 1058 1003 12.55      
23 A 975 924 3.22      
24 A 935 887 5.56      
25 A 912 864 27.69      
26 A 816 774 6.64      
27 A 700 664 175.55      
28 A 514 487 4.12      
29 A 379 360 2.18      
30 A 344 326 11.53      
31 A 293 278 101.56      
32 A 270 256 15.16      
33 A 107 101 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 25473.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 24148.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/3-21G*
ABC
0.24176 0.13637 0.09662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.078 -0.358
C2 1.293 0.491 0.178
C3 -1.256 0.426 0.312
H4 -0.083 0.893 -1.435
H5 -0.020 2.161 -0.183
O6 1.240 -0.968 -0.089
O7 -1.450 -0.955 -0.134
H8 2.008 -1.405 0.359
H9 -0.532 -1.343 -0.121
H10 2.157 0.946 -0.323
H11 1.367 0.685 1.257
H12 -1.141 0.502 1.407
H13 -2.161 0.972 0.033

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53671.54821.09421.09692.41942.49403.28642.48602.18332.16662.16792.1773
C21.53672.55312.15812.15431.48493.11602.03432.60491.09731.09892.72633.4905
C31.54822.55312.15562.18712.88711.46413.74261.96053.51012.80011.10321.0935
H41.09422.15812.15561.78272.65102.64083.58782.63262.50163.06513.05752.5456
H51.09692.15432.18711.78273.37463.42844.13743.54222.49662.48492.55712.4591
O62.41941.48492.88712.65103.37462.69010.99061.81152.13532.13653.17313.9178
O72.49403.11601.46412.64083.42842.69013.52160.99684.08103.54412.14282.0607
H83.28642.03433.74263.58784.13740.99063.52162.58572.45182.36343.82724.8103
H92.48602.60491.96052.63263.54221.81150.99682.58573.53713.10212.47202.8356
H102.18331.09733.51012.50162.49662.13534.08102.45183.53711.78543.75024.3329
H112.16661.09892.80013.06512.48492.13653.54412.36343.10211.78542.51923.7458
H122.16792.72631.10323.05752.55713.17312.14283.82722.47203.75022.51921.7748
H132.17733.49051.09352.54562.45913.91782.06074.81032.83564.33293.74581.7748

picture of 1,3-Propanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 106.384 C1 C2 H10 110.866
C1 C2 H11 109.460 C1 C3 O7 111.745
C1 C3 H12 108.534 C1 C3 H13 109.815
C2 C1 C3 111.707 C2 C1 H4 109.073
C2 C1 H5 108.621 C2 O6 H8 108.887
C3 C1 H4 108.099 C3 C1 H5 110.387
C3 O7 H9 104.006 H4 C1 H5 108.905
O6 C2 H10 110.675 O6 C2 H11 110.673
O7 C3 H12 112.398 O7 C3 H13 106.457
H10 C2 H11 108.771 H12 C3 H13 107.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability